<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <meta name="viewport" content="width=device-width,initial-scale=1.0" />
        <title></title>
        <style>
            html,
            body,
            #app {
                height: 100%;
                margin: 0px;
                padding: 0px;
            }

            .chromeframe {
                margin: 0.2em 0;
                background: #ccc;
                color: #000;
                padding: 0.2em 0;
            }

            .first-loading-wrp > h1 {
                font-size: 20px;
                color: #3c4456;
            }

            .first-loading-wrp {
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                height: 100vh;
            }

            .spinner {
                margin: 60px auto;
                width: 40px;
                height: 40px;
                position: relative;
                text-align: center;

                -webkit-animation: sk-rotate 2s infinite linear;
                animation: sk-rotate 2s infinite linear;
            }

            .dot1,
            .dot2 {
                width: 60%;
                height: 60%;
                display: inline-block;
                position: absolute;
                top: 0;
                background-color: #409eff;
                border-radius: 100%;

                -webkit-animation: sk-bounce 2s infinite ease-in-out;
                animation: sk-bounce 2s infinite ease-in-out;
            }

            .dot2 {
                top: auto;
                bottom: 0;
                -webkit-animation-delay: -1s;
                animation-delay: -1s;
            }

            @-webkit-keyframes sk-rotate {
                100% {
                    -webkit-transform: rotate(360deg);
                }
            }
            @keyframes sk-rotate {
                100% {
                    transform: rotate(360deg);
                    -webkit-transform: rotate(360deg);
                }
            }

            @-webkit-keyframes sk-bounce {
                0%,
                100% {
                    -webkit-transform: scale(0);
                }
                50% {
                    -webkit-transform: scale(1);
                }
            }

            @keyframes sk-bounce {
                0%,
                100% {
                    transform: scale(0);
                    -webkit-transform: scale(0);
                }
                50% {
                    transform: scale(1);
                    -webkit-transform: scale(1);
                }
            }
        </style>
    </head>
    <body>
        <div id="app">
            <div class="first-loading-wrp">
                <div class="spinner">
                    <div class="dot1"></div>
                    <div class="dot2"></div>
                </div>

                <div
                    style="
                display: flex;
                justify-content: center;
                align-items: center;
                font-size: 12px;
              "
                >
                    加载中...
                </div>
            </div>
        </div>
        <script src="./static/js/echarts.min.js"></script>
    </body>
</html>
